Fix Error: New-MailboxExportRequest Access to Path is Denied

The ‘access path denied’ error in Exchange appears while executing the PowerShell commands, such as New-MailboxExportRequest. This usually occurs when a user tries to execute the New-MailboxExportRequest for PST export but doesn’t have sufficient rights over the folder (UNC). Thus, to successfully export mailbox to PST via New-MailboxExportRequest cmdlet, a user is required to define a UNC (Universal Naming Convention) path parameter with sufficient rights.

Reasons for ‘New-MailboxExportRequest Access to Path is Denied’ Error

When a user doesn’t have adequate permissions to ‘Read/Write’ Exchange Trusted Subsystem for network location, all mailbox-related requests are denied from the Exchange subsystem. In such a case, following error message is displayed,

New-MailboxExportRequest Access to Path is denied.

[PS] C :\> New-MailboxExportRequest “userabc” -FilePath “\\MYSERVER\PST\userabc.pst” Unable to open PST file ‘\\MYSERVER\PST\userabc.pst’. Error details: Access to the path ‘\\MYSERVER\PST\userabc.pst’ is denied. + CategoryInfo          : NotSpecified: (:) [New-MailboxExportRequest], RemotePermanentException + FullyQualifiedErrorId : [Server=MYEMAILSERVER,RequestId=23983583-a349-4c96-bb11-edb7d52b1a0a,TimeStamp=11/4/2017 6:55:33 AM] [Failure Category=Cmdlet-RemmanentException] 6DE05BB8,Microsoft.Exchange.Management.RecipientTasks. NewMailboxExportRequest

The error may also occur if the user enters wrong UNC path in the PowerShell or doesn’t have Mailbox Import Export Role assigned. Even Exchange Administrators don’t have these rights by default. These permissions and assign roles are required to execute mailbox export or import cmdlets. In case it’s not possible, one may use a reliable professional EDB to PST Converter tool to convert the EDB or Exchange Database files into PST. It doesn’t require any additional permissions, besides administrator or mailbox access.

Solutions to Fix ‘New-MailboxExportRequest Access to Path is Denied’ Error

Below we have discussed a few solutions to fix the ‘access path denied’ error.

Solution 1: Grant Read & Execute Permissions

The problem can be resolved by granting the “Read & Execute” permissions to the Exchange Trusted Subsystem group and allow it to execute the request.

Once you check the box for “Read & Execute” permissions for Exchange Trusted Subsystem, you are able to fix the error “New-MailboxExportRequest Access to Path is denied”.

Drawbacks of Grant Read & Write Permissions

  • PowerShell commands have limitations as these are unable to resolve the errors, all the time.
  • These cmdlets are not applicable for Exchange 2007 and lower Exchange versions.

Solution 2: Remove the ManagementRoleAssignments and Create New Role Group

The alternate method to fix the error “New-MailboxExportRequest Access to Path is denied” is to remove both the ManagementRoleAssignments for exadmin and create a new Role Group.

  1. Remove both ManagementRoleAssignments for Exadmin
    Remove-ManagementRoleAssignment -Identity “Mailbox Import Export-exadmin-1”
    Remove-ManagementRoleAssignment -Identity “Mailbox Import Export-exadmin”
  2. Create a new RoleGroup
    New-RoleGroup -Name “Exchange Mailbox Import Export” -Roles “Mailbox Import Export” -Members “Domain\exadmin” -DisplayName “”Exchange Mailbox Import Export” -Description “This group provides access to mailbox export and import cmdlet within entire Exchange Organization.”

For more details read: How to manage role groups|Microsoft Doc

Drawback of the above solution

  • Doesn’t resolve the problem and shows access denied error.

Solution 3: Deploy a Professional Software

A professional software like Stellar Converter for EDB helps in EDB to PST conversion where users do not have to undergo complex processes of assigning permissions, roles, and using command line tool for mailbox export.

With Stellar Converter for EDB, you can achieve better results and export multiple mailboxes at once to PST in a few clicks. All you need to do is,

  1. Install and open Stellar Converter for EDB software.
  2. Select and Scan EDB File.
  3. Preview and save mailboxes as PST file or export them to live Exchange server directly.

Why Prefer Professional Software over Manual Methods to fix Access Path Denied Error?

Sometimes, the incident-response activities are so complicated that users are unable to execute the complex commands in Exchange PowerShell. Instead of fixing the error, these commands further aggravate the problem, like in this case of “New-MailboxExportRequest access to path is denied”. To avoid such issues and make the system work at normal pace, it is best to introduce a professional software like Stellar Converter for EDB for Exchange database related problems. The preeminent part of using this software is that the user is able to forego the drawbacks of using complex PowerShell commands. The drawbacks of New-MailboxExportRequest are:

  1. Cmdlets are complex and lengthy in nature.
  2. Take more than the required downtime.
  3. Item preview is not available.
  4. Unable to save specific mail items.


The New-MailboxExportRequest cmdlet is used to export contents of the primary mailbox to a PST file or archive to a PST file. The cmdlet is available in Mailbox Import Export role, and this role is not assigned to any role group, by default. You need to add the Export-Import role to a role group to use this cmdlet. If these roles and permissions are not assigned to the user, including administrator, it can lead to the error ‘New-MailboxExportRequest access to a path is denied’. To avoid any complication and export PST from Exchange database without the ‘access path denied’ error message, you can use a GUI-based EDB to PST converter software. It not only prevents any possible errors but also recovers lost or deleted mailboxes during EDB scan.

  1. Dennis A. Rieke January 29, 2019
    • Eric Simson January 29, 2019
      • Ugis February 25, 2019
    • Eric Simson February 26, 2019
  2. Kerrie L. Rogers January 22, 2019
    • Eric Simson January 22, 2019
      • mohillic April 11, 2019
      • Eric Simson April 12, 2019
  3. James H. Bisson January 14, 2019
    • Eric Simson January 14, 2019
  4. Joseph J. Akin October 4, 2018
  5. Olive Neal June 18, 2018
    • Eric Simson June 19, 2018
  6. Lucid Flyer May 22, 2018
    • Eric Simson May 23, 2018

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